diff options
Diffstat (limited to 'src/components/popover/popover.js')
| -rw-r--r-- | src/components/popover/popover.js | 290 |
1 files changed, 230 insertions, 60 deletions
diff --git a/src/components/popover/popover.js b/src/components/popover/popover.js index a30a37c9..d44b266b 100644 --- a/src/components/popover/popover.js +++ b/src/components/popover/popover.js @@ -4,7 +4,7 @@ const Popover = { // Action to trigger popover: either 'hover' or 'click' trigger: String, - // Either 'top' or 'bottom' + // 'top', 'bottom', 'left', 'right' placement: String, // Takes object with properties 'x' and 'y', values of these can be @@ -31,40 +31,88 @@ const Popover = { // If true, subtract padding when calculating position for the popover, // use it when popover offset looks to be different on top vs bottom. - removePadding: Boolean + removePadding: Boolean, + + // self-explanatory (i hope) + disabled: Boolean, + + // Instead of putting popover next to anchor, overlay popover's center on top of anchor's center + overlayCenters: Boolean, + + // What selector (witin popover!) to use for determining center of popover + overlayCentersSelector: String, + + // Lets hover popover stay when clicking inside of it + stayOnClick: Boolean, + + triggerAttrs: { + type: Object, + default: {} + } }, + inject: ['popoversZLayer'], // override popover z layer data () { return { + // lockReEntry is a flag that is set when mouse cursor is leaving the popover's content + // so that if mouse goes back into popover it won't be re-shown again to prevent annoyance + // with popovers refusing to be hidden when user wants to interact with something in below popover + anchorEl: null, + // There's an issue where having teleport enabled by default causes things just... + // not render at all, i.e. main post status form and its emoji inputs + teleport: false, + lockReEntry: false, hidden: true, - styles: { opacity: 0 }, - oldSize: { width: 0, height: 0 } + styles: {}, + oldSize: { width: 0, height: 0 }, + scrollable: null, + // used to avoid blinking if hovered onto popover + graceTimeout: null, + parentPopover: null, + disableClickOutside: false, + childrenShown: new Set() } }, methods: { + setAnchorEl (el) { + this.anchorEl = el + this.updateStyles() + }, containerBoundingClientRect () { const container = this.boundToSelector ? this.$el.closest(this.boundToSelector) : this.$el.offsetParent return container.getBoundingClientRect() }, updateStyles () { if (this.hidden) { - this.styles = { - opacity: 0 - } + this.styles = {} return } // Popover will be anchored around this element, trigger ref is the container, so // its children are what are inside the slot. Expect only one v-slot:trigger. - const anchorEl = (this.$refs.trigger && this.$refs.trigger.children[0]) || this.$el + const anchorEl = this.anchorEl || (this.$refs.trigger && this.$refs.trigger.children[0]) || this.$el // SVGs don't have offsetWidth/Height, use fallback - const anchorWidth = anchorEl.offsetWidth || anchorEl.clientWidth const anchorHeight = anchorEl.offsetHeight || anchorEl.clientHeight - const screenBox = anchorEl.getBoundingClientRect() - // Screen position of the origin point for popover - const origin = { x: screenBox.left + screenBox.width * 0.5, y: screenBox.top } + const anchorWidth = anchorEl.offsetWidth || anchorEl.clientWidth + const anchorScreenBox = anchorEl.getBoundingClientRect() + + const anchorStyle = getComputedStyle(anchorEl) + const topPadding = parseFloat(anchorStyle.paddingTop) + const bottomPadding = parseFloat(anchorStyle.paddingBottom) + const rightPadding = parseFloat(anchorStyle.paddingRight) + const leftPadding = parseFloat(anchorStyle.paddingLeft) + + // Screen position of the origin point for popover = center of the anchor + const origin = { + x: anchorScreenBox.left + anchorWidth * 0.5, + y: anchorScreenBox.top + anchorHeight * 0.5 + } const content = this.$refs.content + const overlayCenter = this.overlayCenters + ? this.$refs.content.querySelector(this.overlayCentersSelector) + : null + // Minor optimization, don't call a slow reflow call if we don't have to - const parentBounds = this.boundTo && + const parentScreenBox = this.boundTo && (this.boundTo.x === 'container' || this.boundTo.y === 'container') && this.containerBoundingClientRect() @@ -72,82 +120,179 @@ const Popover = { // What are the screen bounds for the popover? Viewport vs container // when using viewport, using default margin values to dodge the navbar - const xBounds = this.boundTo && this.boundTo.x === 'container' ? { - min: parentBounds.left + (margin.left || 0), - max: parentBounds.right - (margin.right || 0) - } : { - min: 0 + (margin.left || 10), - max: window.innerWidth - (margin.right || 10) - } + const xBounds = this.boundTo && this.boundTo.x === 'container' + ? { + min: parentScreenBox.left + (margin.left || 0), + max: parentScreenBox.right - (margin.right || 0) + } + : { + min: 0 + (margin.left || 10), + max: window.innerWidth - (margin.right || 10) + } - const yBounds = this.boundTo && this.boundTo.y === 'container' ? { - min: parentBounds.top + (margin.top || 0), - max: parentBounds.bottom - (margin.bottom || 0) - } : { - min: 0 + (margin.top || 50), - max: window.innerHeight - (margin.bottom || 5) - } + const yBounds = this.boundTo && this.boundTo.y === 'container' + ? { + min: parentScreenBox.top + (margin.top || 0), + max: parentScreenBox.bottom - (margin.bottom || 0) + } + : { + min: 0 + (margin.top || 50), + max: window.innerHeight - (margin.bottom || 5) + } let horizOffset = 0 + let vertOffset = 0 + + if (overlayCenter) { + const box = content.getBoundingClientRect() + const overlayCenterScreenBox = overlayCenter.getBoundingClientRect() + const leftInnerOffset = overlayCenterScreenBox.left - box.left + const topInnerOffset = overlayCenterScreenBox.top - box.top + horizOffset = -leftInnerOffset - overlayCenter.offsetWidth * 0.5 + vertOffset = -topInnerOffset - overlayCenter.offsetHeight * 0.5 + } else { + horizOffset = content.offsetWidth * -0.5 + vertOffset = content.offsetHeight * -0.5 + } + + const leftBorder = origin.x + horizOffset + const rightBorder = leftBorder + content.offsetWidth + const topBorder = origin.y + vertOffset + const bottomBorder = topBorder + content.offsetHeight // If overflowing from left, move it so that it doesn't - if ((origin.x - content.offsetWidth * 0.5) < xBounds.min) { - horizOffset += -(origin.x - content.offsetWidth * 0.5) + xBounds.min + if (leftBorder < xBounds.min) { + horizOffset += xBounds.min - leftBorder } // If overflowing from right, move it so that it doesn't - if ((origin.x + horizOffset + content.offsetWidth * 0.5) > xBounds.max) { - horizOffset -= (origin.x + horizOffset + content.offsetWidth * 0.5) - xBounds.max + if (rightBorder > xBounds.max) { + horizOffset -= rightBorder - xBounds.max } - // Default to whatever user wished with placement prop - let usingTop = this.placement !== 'bottom' - - // Handle special cases, first force to displaying on top if there's not space on bottom, - // regardless of what placement value was. Then check if there's not space on top, and - // force to bottom, again regardless of what placement value was. - if (origin.y + content.offsetHeight > yBounds.max) usingTop = true - if (origin.y - content.offsetHeight < yBounds.min) usingTop = false + // If overflowing from top, move it so that it doesn't + if (topBorder < yBounds.min) { + vertOffset += yBounds.min - topBorder + } - let vPadding = 0 - if (this.removePadding && usingTop) { - const anchorStyle = getComputedStyle(anchorEl) - vPadding = parseFloat(anchorStyle.paddingTop) + parseFloat(anchorStyle.paddingBottom) + // If overflowing from bottom, move it so that it doesn't + if (bottomBorder > yBounds.max) { + vertOffset -= bottomBorder - yBounds.max } - const yOffset = (this.offset && this.offset.y) || 0 - const translateY = usingTop - ? -anchorHeight + vPadding - yOffset - content.offsetHeight - : yOffset + let translateX = 0 + let translateY = 0 + + if (overlayCenter) { + translateX = origin.x + horizOffset + translateY = origin.y + vertOffset + } else if (this.placement !== 'right' && this.placement !== 'left') { + // Default to whatever user wished with placement prop + let usingTop = this.placement !== 'bottom' + + // Handle special cases, first force to displaying on top if there's not space on bottom, + // regardless of what placement value was. Then check if there's not space on top, and + // force to bottom, again regardless of what placement value was. + const topBoundary = origin.y - anchorHeight * 0.5 + (this.removePadding ? topPadding : 0) + const bottomBoundary = origin.y + anchorHeight * 0.5 - (this.removePadding ? bottomPadding : 0) + if (bottomBoundary + content.offsetHeight > yBounds.max) usingTop = true + if (topBoundary - content.offsetHeight < yBounds.min) usingTop = false - const xOffset = (this.offset && this.offset.x) || 0 - const translateX = anchorWidth * 0.5 - content.offsetWidth * 0.5 + horizOffset + xOffset + const yOffset = (this.offset && this.offset.y) || 0 + translateY = usingTop + ? topBoundary - yOffset - content.offsetHeight + : bottomBoundary + yOffset + + const xOffset = (this.offset && this.offset.x) || 0 + translateX = origin.x + horizOffset + xOffset + } else { + // Default to whatever user wished with placement prop + let usingRight = this.placement !== 'left' + + // Handle special cases, first force to displaying on top if there's not space on bottom, + // regardless of what placement value was. Then check if there's not space on top, and + // force to bottom, again regardless of what placement value was. + const rightBoundary = origin.x - anchorWidth * 0.5 + (this.removePadding ? rightPadding : 0) + const leftBoundary = origin.x + anchorWidth * 0.5 - (this.removePadding ? leftPadding : 0) + if (leftBoundary + content.offsetWidth > xBounds.max) usingRight = true + if (rightBoundary - content.offsetWidth < xBounds.min) usingRight = false + + const xOffset = (this.offset && this.offset.x) || 0 + translateX = usingRight + ? rightBoundary - xOffset - content.offsetWidth + : leftBoundary + xOffset + + const yOffset = (this.offset && this.offset.y) || 0 + translateY = origin.y + vertOffset + yOffset + } - // Note, separate translateX and translateY avoids blurry text on chromium, - // single translate or translate3d resulted in blurry text. this.styles = { - opacity: 1, - transform: `translateX(${Math.round(translateX)}px) translateY(${Math.round(translateY)}px)` + left: `${Math.round(translateX)}px`, + top: `${Math.round(translateY)}px` + } + + if (this.popoversZLayer) { + this.styles['--ZI_popover_override'] = `var(--ZI_${this.popoversZLayer}_popovers)` + } + if (parentScreenBox) { + this.styles.maxWidth = `${Math.round(parentScreenBox.width)}px` } }, showPopover () { + if (this.disabled) return + this.disableClickOutside = true + setTimeout(() => { + this.disableClickOutside = false + }, 0) const wasHidden = this.hidden this.hidden = false + this.parentPopover && this.parentPopover.onChildPopoverState(this, true) + if (this.trigger === 'click' || this.stayOnClick) { + document.addEventListener('click', this.onClickOutside) + } + this.scrollable.addEventListener('scroll', this.onScroll) + this.scrollable.addEventListener('resize', this.onResize) this.$nextTick(() => { if (wasHidden) this.$emit('show') this.updateStyles() }) }, hidePopover () { + if (this.disabled) return if (!this.hidden) this.$emit('close') this.hidden = true - this.styles = { opacity: 0 } + this.parentPopover && this.parentPopover.onChildPopoverState(this, false) + if (this.trigger === 'click') { + document.removeEventListener('click', this.onClickOutside) + } + this.scrollable.removeEventListener('scroll', this.onScroll) + this.scrollable.removeEventListener('resize', this.onResize) }, onMouseenter (e) { - if (this.trigger === 'hover') this.showPopover() + if (this.trigger === 'hover') { + this.lockReEntry = false + clearTimeout(this.graceTimeout) + this.graceTimeout = null + this.showPopover() + } }, onMouseleave (e) { - if (this.trigger === 'hover') this.hidePopover() + if (this.trigger === 'hover' && this.childrenShown.size === 0) { + this.graceTimeout = setTimeout(() => this.hidePopover(), 1) + } + }, + onMouseenterContent (e) { + if (this.trigger === 'hover' && !this.lockReEntry) { + this.lockReEntry = true + clearTimeout(this.graceTimeout) + this.graceTimeout = null + this.showPopover() + } + }, + onMouseleaveContent (e) { + if (this.trigger === 'hover' && this.childrenShown.size === 0) { + this.graceTimeout = setTimeout(() => this.hidePopover(), 1) + } }, onClick (e) { if (this.trigger === 'click') { @@ -159,9 +304,26 @@ const Popover = { } }, onClickOutside (e) { + if (this.disableClickOutside) return if (this.hidden) return + if (this.$refs.content && this.$refs.content.contains(e.target)) return if (this.$el.contains(e.target)) return + if (this.childrenShown.size > 0) return this.hidePopover() + if (this.parentPopover) this.parentPopover.onClickOutside(e) + }, + onScroll (e) { + this.updateStyles() + }, + onResize (e) { + this.updateStyles() + }, + onChildPopoverState (childRef, state) { + if (state) { + this.childrenShown.add(childRef) + } else { + this.childrenShown.delete(childRef) + } } }, updated () { @@ -175,11 +337,19 @@ const Popover = { this.oldSize = { width: content.offsetWidth, height: content.offsetHeight } } }, - created () { - document.addEventListener('click', this.onClickOutside) + mounted () { + this.teleport = true + let scrollable = this.$refs.trigger.closest('.column.-scrollable') || + this.$refs.trigger.closest('.mobile-notifications') + if (!scrollable) scrollable = window + this.scrollable = scrollable + let parent = this.$parent + while (parent && parent.$.type.name !== 'Popover') { + parent = parent.$parent + } + this.parentPopover = parent }, - unmounted () { - document.removeEventListener('click', this.onClickOutside) + beforeUnmount () { this.hidePopover() } } |